When Yeonghui, Ji-eun, and Cheolsu suddenly inhabit the world of a romantic fantasy novel, they are faced with a unique predicament. Rather than conforming to the expected roles of protagonists or villains, they embark on a journey to make their own mark on the narrative. As they navigate this unfamiliar realm, their unconventional choices have the potential to reshape the fate of this rom-fan world, for better or for worse.